China Pharmaceutical Grade CAS 16837-52-8 Oxymatrine Powder 100% Nature Bitter Sophora Root Extract Oxymatrine Raw Material Oxymatrine, Find details about China Oxymatrine, Oxymatrine Powder from Pharmaceutical Grade CAS 16837-52-8 Oxymatrine Powder 100% Nature Bitter Sophora Root Extract Oxymatrine Raw Material Oxymatrine